Update ICU to 58.1

source/data/locales/gsw.txt

Index: source/data/locales/gsw.txt
diff --git a/source/data/locales/gsw.txt b/source/data/locales/gsw.txt
index 0790af8bc9540297102a273cab7166850d48a74e..15b4b06e634cb78822deaba1a8181084fb560740 100644
--- a/source/data/locales/gsw.txt
+++ b/source/data/locales/gsw.txt
@@ -1,11 +1,5 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/main/gsw.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 gsw{
     AuxExemplarCharacters{"[á à ă â å ā æ ç é è ĕ ê ë ē í ì ĭ î ï ī ñ ó ò ŏ ô ø ō œ ú ù ŭ û ū ÿ]"}
     ExemplarCharacters{"[a ä b c d e f g h i j k l m n o ö p q r s t u ü v w x y z]"}
@@ -31,7 +25,7 @@ gsw{
             }
         }
     }
-    Version{"2.1.19.74"}
+    Version{"2.1.28.76"}
     calendar{
         buddhist{
             DateTimePatterns{
@@ -199,6 +193,10 @@ gsw{
                 "vorm.",
                 "nam.",
             }
+            AmPmMarkersAbbr{
+                "v.m.",
+                "n.m.",
+            }
             DateTimePatterns{
                 "HH:mm:ss zzzz",
                 "HH:mm:ss z",